Find the value of `x^3+7x^2-x+1,\ w h e n\ x=1+2idot`

Find the value of x^(3)+7x^(2)-x+1, when x=1+2i

Find the value of x^3+y^3-12 x y+64 ,\ \ w h e n\ \ x+y=-4

Find the value of int_(-1)^1[x^2+{x}]dx ,w h e r e[dot]a n d{dot} denote the greatest function and fractional parts of x , respectively.

Find the value of int_(-1)^1[x^2+{x}]dx ,w h e r e[dot]a n d{dot} denote the greatest function and fractional parts of x , respectively.

Find the maximum value of (7-x)^4(2+x)^5w h e nx lies between -2a n d7.

If x = 1/(2-sqrt3) then find the value of (x^(3) -2x^2 - 7x +4)

Evaluate the following: 2x^3+2x^2-7x+72 ,\ w h e n\ x=(3-5i)/2

Evaluate the following: \ 2x^4+5x^3+7x^2-x+41 ,\ w h e n\ x=-2-sqrt(3)i

If x = 1/(2-sqrt3) then find the value of (x^(3) -2x^(2) -7x+2)

Evaluate the following: x^6+x^4+x^2+1,\ w h e n\ x=(1+i)/(sqrt(2))